JPS6464007A - Servo controller - Google Patents

Servo controller

Info

Publication number
JPS6464007A
JPS6464007A JP22176087A JP22176087A JPS6464007A JP S6464007 A JPS6464007 A JP S6464007A JP 22176087 A JP22176087 A JP 22176087A JP 22176087 A JP22176087 A JP 22176087A JP S6464007 A JPS6464007 A JP S6464007A
Authority
JP
Japan
Prior art keywords
disturbance
value
estimated
output
detected
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP22176087A
Other languages
Japanese (ja)
Other versions
JP2824576B2 (en
Inventor
Satoru Hattori
Yutaka Saito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP62221760A priority Critical patent/JP2824576B2/en
Publication of JPS6464007A publication Critical patent/JPS6464007A/en
Application granted granted Critical
Publication of JP2824576B2 publication Critical patent/JP2824576B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Feedback Control In General (AREA)

Abstract

PURPOSE:To improve the estimated accuracy of disturbance and to reduce the influence of the disturbance by using a disturbance estimating device which estimates the disturbance with the internal state value defined as an input. CONSTITUTION:When the disturbance (d) is applied to a controlled system 1, the state values (x) and (y) vary. An observer 4 is added to have output of the estimated state value x' with the control output (u) applied to the controlled system 1 and the value (x) of the system 1 defined as inputs. In case the value (x) can thoroughly detected, the detected value is effective with no use of the observer 4. The disturbance (d) is shown d=f(x) based on a model obtained by turning the dynamic characteristics of a controller into the numerical value. Then a disturbance estimating device 5 which uses the state value including said estimated value of the state value of the detected value only as an input carries out an arithmetic operation d'=f(x) for output of the estimated disturbance d'. Then a computing element 10 outputs M.d' obtained by multiplying the d' by the feedforward control gain M and adds the M.d' to the control output.
JP62221760A 1987-09-04 1987-09-04 Servo control device Expired - Lifetime JP2824576B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62221760A JP2824576B2 (en) 1987-09-04 1987-09-04 Servo control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62221760A JP2824576B2 (en) 1987-09-04 1987-09-04 Servo control device

Publications (2)

Publication Number Publication Date
JPS6464007A true JPS6464007A (en) 1989-03-09
JP2824576B2 JP2824576B2 (en) 1998-11-11

Family

ID=16771773

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62221760A Expired - Lifetime JP2824576B2 (en) 1987-09-04 1987-09-04 Servo control device

Country Status (1)

Country Link
JP (1) JP2824576B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0325505A (en) * 1989-06-22 1991-02-04 Toyo Electric Mfg Co Ltd Multifunction controller
JPH03142502A (en) * 1989-10-27 1991-06-18 Toyo Electric Mfg Co Ltd Stabilized feedback control method
JPH03155383A (en) * 1989-11-08 1991-07-03 Mitsubishi Electric Corp Motor controller
JPH04315202A (en) * 1991-04-12 1992-11-06 Toyo Electric Mfg Co Ltd Equivalent disturbance compensating method
JP2004507827A (en) * 2000-08-28 2004-03-11 ブルックス　オートメーション　インコーポレイテッド Observer-corrector control system for unmodeled dynamics systems

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60153503A (en) * 1984-01-20 1985-08-13 Fuji Electric Co Ltd State feedback control system
JPS61251902A (en) * 1985-04-30 1986-11-08 Yokogawa Electric Corp Noise eliminating device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60153503A (en) * 1984-01-20 1985-08-13 Fuji Electric Co Ltd State feedback control system
JPS61251902A (en) * 1985-04-30 1986-11-08 Yokogawa Electric Corp Noise eliminating device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0325505A (en) * 1989-06-22 1991-02-04 Toyo Electric Mfg Co Ltd Multifunction controller
JPH03142502A (en) * 1989-10-27 1991-06-18 Toyo Electric Mfg Co Ltd Stabilized feedback control method
JPH03155383A (en) * 1989-11-08 1991-07-03 Mitsubishi Electric Corp Motor controller
JPH04315202A (en) * 1991-04-12 1992-11-06 Toyo Electric Mfg Co Ltd Equivalent disturbance compensating method
JP2004507827A (en) * 2000-08-28 2004-03-11 ブルックス　オートメーション　インコーポレイテッド Observer-corrector control system for unmodeled dynamics systems

Also Published As

Publication number Publication date
JP2824576B2 (en) 1998-11-11

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